EDIT: Changed links to wowhead since mmo-champ tooltips aren’t working on my site for some reason.
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The big prize from RS-25 for feral DPS is the Sharpened Scale trinket. The massive chunk of ArPen makes it superior to any other trinket in the game, save Heroic DBW, and the ability to have two ArPen trinkets will make reaching the ArPen hardcap much easier. The Signet ring is very nice as well, and should be your choice for your 2nd ring slot (after your Exalted ICC repring), unless you have the Frostbrood Sapphire. (Heroic Frostbrood is clearly superior; normal is a tossup.) Finally, the Penumbra Pendant is decent, but it’s a strength item, so let your plate DPS have first dibs on it. If you’ve had bad luck on neck drops for some reason, it’s about equal to an ICC-10 neck. (Or you could just buy a Wodin’s, if you have the gold to spare.)

For bears, the Petrified Scale tank trinket is very nice as well, but it depends on your personal preference–it’s basically an upgraded Glyph of Indominability, with the same issues. Great mitigation trinket, but no extra HP to swallow burst. I’d still prefer 2 of Organ/Fang/Key for progression, I think. Come Cataclysm, though, when healer HPS will be more limited, the ability of armor trinkets to reduce DTPS will be much more important. I could see this trinket lasting you until 85, easily.

Unfortunately, there’s not much from RS-10. (Yet another argument for gear equalization.) The loot list may still grow a bit. The Gloaming Sark is pretty terrible for feral DPS, but it’s an excellent tanking piece if you don’t have the badges for Shadowseeker’s or the cash for Ikfirus. There’s a strength ring, also, but it’s pretty bad. (The 245 EoT ring is better.)

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We successfully got to Phase 3 once on LK25 with nobody dead on Tuesday, so high hopes for tonight. We’ve successfully kicked the Defile bug, happily. :) More to come on Simcraft/Ovale next week.